Product description
Specification:
Colour: BLACK (optional).
Material: plastic.

Application: Universal

Size: 5/4 inch 

Package contents:
1 x suction cup.

User manual:

The most common applications are the removal of dents in the car. Here are some tips:
Method 1: Press the suction cup on the tooth, activate the vacuum and pull.
Method 2: heat the bottom of the suction cup with a blower and then press the suction cup.